He said that because British diplomats had yet to apologise or retract its threat to enter the central London embassy, the “danger still exists”.
He condemned Britain for threatening to invade the embassy and seize Mr Assange, in a move he described as “intolerable”.
While his government was “open to dialogue”, he insisted Britain was maintaining an "intransigent" position.
Mr Assange is at the centre of a diplomatic row involving six countries on five continents, having skipped bail to avoid extradition to Sweden. Mr Correa said he was prepared to take the issue to the United Nations.
“It would be a suicide for the United Kingdom to enter the Ecuadorean embassy because then people could enter their diplomatic premises all around the world and they wouldn't be able to say a thing," Mr Correa told ECTV public television last night.
"It will be a precedent that would allow later on for the diplomatic premises of [the UK] in other territories to be violated in every corner of the planet.